A Study on Characteristics of Combustion and Thermo Pyrolysis in Co-firing with Pulverized Coal and Wood Biomass

미분탄과 목재 바이오매스 혼합 연료의 연소 및 열분해 특성에 관한 연구

  • 안재우 (부산대학교 기계공학과 대학원) ;
  • 안성율 (부산대학교 기계공학과 대학원) ;
  • 문철언 (부산대학교 기계공학과 대학원) ;
  • 성연모 (부산대학교 기계공학과 대학원) ;
  • 서상일 (전력연구원) ;
  • 김태형 (전력연구원) ;
  • 최경민 (부산대학교 기계공학부) ;
  • 김덕줄 (부산대학교 기계공학부)
  • Received : 2010.05.12
  • Accepted : 2010.06.24
  • Published : 2010.06.30

Abstract

The effect of co-firing with pulverized coal and wood biomass on ignition and burn-out temperature was investigated at air and oxy-fuel conditions by thermo gravimetric analyzer(TGA). Three kinds of coal(shenhua, adaro, wira) were selected and mixing ratios of coal and wood biomass was set to 1, 0.5, and 0.8. The ignition temperature depended on the amount of volatile matter of blended fuel, while the burn-out temperature was dominated by the oxidant ingredients. The oxy-fuel condition with an oxygen ratio(Ofr,o) of 0.3 showed similar tendency with air condition in the heat flow measurement. Volatile matter reaction, however, became dominant when oxygen ratio exceeded 0.8 for co-firing combustion of wood biomass and pulverized coal.

Keywords

References

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